PostgreSQL 9.4.1 Documentation
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# E.254. Release 6.4.1

> Release Date: 1998-12-18

This is basically a cleanup release for 6.4. We have fixed a variety of problems reported by 6.4 users.

## E.254.1. Migration to Version 6.4.1

A dump/restore is not required for those running 6.4.

## E.254.2. Changes

    Add pg_dump -N flag to force double quotes around identifiers.  This is
           the default(Thomas)
    Fix for NOT in where clause causing crash(Bruce)
    EXPLAIN VERBOSE coredump fix(Vadim)
    Fix shared-library problems on Linux
    Fix test for table existence to allow mixed-case and whitespace in
           the table name(Thomas)
    Fix a couple of pg_dump bugs
    Configure matches template/.similar entries better(Tom)
    Change builtin function names from SPI_* to spi_*
    OR WHERE clause fix(Vadim)
    Fixes for mixed-case table names(Billy)
    contrib/linux/postgres.init.csh/sh fix(Thomas)
    libpq memory overrun fix
    SunOS fixes(Tom)
    Change exp() behavior to generate error on underflow(Thomas)
    pg_dump fixes for memory leak, inheritance constraints, layout change
    update pgaccess to 0.93
    Fix prototype for 64-bit platforms
    Multibyte fixes(Tatsuo)
    New ecpg man page
    Fix memory overruns(Tatsuo)
    Fix for lo_import() crash(Bruce)
    Better search for install program(Tom)
    Timezone fixes(Tom)
    HP-UX fixes(Tom)
    Use implicit type coercion for matching DEFAULT values(Thomas)
    Add routines to help with single-byte (internal) character type(Thomas)
    Compilation of libpq for Windows fixes(Magnus)
    Upgrade to PyGreSQL 2.2(D'Arcy)

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